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#
# Copyright 2010 Martin Owens
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>
#
"""
Sets up some common gtk windows for generic use.
"""
import os
import time
import logging
from GroundControl.gtkviews import ThreadedWindow, GtkApp, Window, ChildWindow
class StatusWindow(ThreadedWindow):
"""Display a status bar to the user"""
name = 'status_window'
def load(self, *args, **kwargs):
"""Load our status window"""
# hopefully filter out variables
self.gapp.load_vars(args, kwargs)
self.window.set_title(self.gapp.task_name)
self.update()
self._close_thread = False
super(StatusWindow, self).load(*args, **kwargs)
def inital_thread(self):
"""Pass on the action"""
self.gapp.do_work()
def thread_exited(self):
"""What to do when a thread exits"""
self.done = True
self.destroy_window()
def update(self, value=None, name=None, transport=None):
"""Update gtk after some time"""
# Update our progress bar and make sure the widgets still exist
if name and self.widget('label'):
self.widget('label').set_markup('<b>%s</b>' % name)
if value != None and self.widget('progress'):
self.widget('progress').set_fraction(value)
if self.widget('transport'):
if transport:
self.widget('transport').set_text(transport)
else:
self.widget('transport').set_text('')
def pop_error(self, error, title=None):
"""Popup a Gtk Error message box of some kind"""
PopupApp(title=unicode(title), message=unicode(error))
class PromptWindow(ChildWindow):
"""A simple prompt window"""
name = 'prompt'
def load(self, title, label):
"""what to do when we load"""
self.window.set_title(title)
self.widget('label').set_text(label)
def hold(self):
"""Hold the prompt until answered"""
while not self.dead:
time.sleep(0.5)
return self.done
class StatusApp(GtkApp):
"""An application for showing any status"""
gtkfile = 'common.glade'
windows = [ StatusWindow, PromptWindow ]
task_name = _("Unknown Action")
def do_work(self, *args, **kwargs):
"""Replace this method in your own status updates"""
raise NotImplimentedError("Replace do_work in your status window")
def load_vars(self):
"""Strip out any useful variables for the status window"""
# This is a bit of a juggling act, perhaps someone has a better idea
# That we can move towards for this.
pass
@property
def window(self):
"""Return the status window"""
# Get the right window by name, more than one window could be loaded
return self._loaded['status_window']
def update(self, *args, **kwargs):
"""Pass an update call back to the window in a thread friendly way"""
# We're going to make sure that updates don't collide
kwargs['unique_call'] = True
# Now call the threaded caller to do an update
self.window.call('update', *args, **kwargs )
def pop_error(self, title, error):
"""Call window's creation of popup windows"""
return self.window.call('pop_error', error, title)
class PopupWindow(Window):
"""A simple popup warning window"""
name = 'popup'
def load(self, *args, **kwargs):
"""Load the title, icon"""
self.window.set_title(kwargs.pop('title', _('Message!')))
message = kwargs.pop('message')
logging.error(message)
self.widget('label').set_text(message)
super(PopupWindow, self).load(*args, **kwargs)
class PopupApp(GtkApp):
"""An application for showing any status"""
gtkfile = 'common-popup.glade'
windows = [ PopupWindow ]
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